Home / 1,874,321.49-2,811,457.40-454,390.41

Finding the Fourth Proportional to 1,874,321.49, 2,811,457.40 and 454,390.41

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Solution

The fourth proportional to 1,874,321.49, 2,811,457.40 and 454,390.41 is: 681,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,321.49 : 2,811,457.40 = 454,390.41 : x
  2. Step 2: Convert to fraction form
    1,874,321.49/2,811,457.40 = 454,390.41/x
  3. Step 3: Cross multiply
    1,874,321.49x = 2,811,457.40 × 454,390.41
  4. Step 4: Simplify right side
    1,874,321.49x = 1,277,499,278,411.58
  5. Step 5: Solve for x
    x = 1,277,499,278,411.58/1,874,321.49
  6. Step 6: Final answer
    x = 681,579.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.